855-305/400-509

Current Sense Transformers Overview

The WAGO Corporation 855-305/400-509 is a pluggable current transformer designed for chassis mounting. It features a primary rated current of 400 A and a secondary rated current of 5 A, providing a 400:5 current ratio. The device operates at frequencies between 50 Hz and 60 Hz with a rated power of 5 VA. It meets accuracy class 0.5 standards and has been assessed for conformity.

Current Sense Transformers Feature Summary

• Pluggable construction for easy installation
• Chassis mount design
• Accuracy class 0.5
• Conformity assessed

Current Sense Transformers Applications

• Current sensing in electrical systems
• Power monitoring applications
• Industrial control panels

Current Sense Transformers Procurement Notes

Verify the exact part number 855-305/400-509 against official WAGO documentation to ensure correct specifications. Confirm compatibility with existing chassis mounting requirements and circuit parameters before procurement. Check for any recent updates to the datasheet regarding technical changes or availability status from authorized distributors.

Current Sense Transformers Selection Notes

Select this component when a 400 A primary current rating and 5 A secondary output are required. Ensure the application frequency falls within the 50 Hz to 60 Hz range. Verify that the 5 VA burden capacity meets the connected instrument requirements. Confirm that chassis mounting is suitable for the enclosure design.

Current Sense Transformers Part Context

This model belongs to the WAGO 855-305 series of plug-in current transformers. These devices are engineered for precise current measurement in industrial environments. The specific variant 855-305/400-509 offers defined electrical characteristics for standard power distribution monitoring tasks.

Current Sense Transformers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult WAGO technical support or official distributor catalogs for equivalent models with matching electrical ratings and mechanical dimensions.